Query ‘orderby’ when there are multiple values for the same meta_key

Sorting by multiple meta keys (ref) may be helpful (untested): add_action( ‘pre_get_posts’, function ( \WP_Query $query ) { $orderby = $query->get( ‘orderby’ ); if ( ‘start_date’ === $orderby || ‘end_date’ === $orderby ) { $meta_query = array( ‘relation’ => ‘OR’, ‘meta_query_1’ => array( ‘key’ => $orderby, // start_date or end_date ), ‘meta_query_2’ => array( ‘key’ … Read more

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